| North American Sports Cities | 0 | - | 4.82 | 173,228 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,586 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,650 |
| World Capitals Quiz | 0 | - | 5.00 | 5,110,570 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,601,131 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,432 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,474 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,036 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,285 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,345 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,276 |
| Countries by Capital City | 0 | - | 5.00 | 69,531 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,016 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,295 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,899 |
| Moved Capital Cities | 0 | - | 4.96 | 74,699 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,839 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,199 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,919 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,750 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,523 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,003 |
| Name a City - European Countries | 0 | - | 4.89 | 66,295 |
| Cities by Former Name | 0 | - | 4.83 | 92,134 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,623 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,490 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,962 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,016 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,916 |
| World Capitals by Map | 0 | - | 5.00 | 289,733 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,881 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,998 |
| Random Country to Capital | 0 | - | 4.98 | 929,313 |
| Capitals Starting With H | 0 | - | 4.91 | 93,395 |
| Capitals Starting With K | 0 | - | 4.88 | 84,470 |
| Capitals Starting With M | 0 | - | 4.94 | 109,291 |
| Capitals Starting With P | 0 | - | 4.88 | 79,077 |
| Capitals Starting With R | 0 | - | 4.88 | 82,565 |
| Capitals Starting With S | 0 | - | 4.90 | 86,650 |
| Capitals Starting With T | 0 | - | 4.86 | 76,898 |
| Capitals Starting With W | 0 | - | 4.87 | 91,774 |
| Capitals Starting With A | 0 | - | 4.97 | 129,209 |
| Capitals Starting With B | 0 | - | 4.89 | 119,593 |
| Capitals Starting With D | 0 | - | 4.94 | 97,276 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,777 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,329 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,764 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,130 |
| American Cities by Stadium | 0 | - | 4.02 | 36,599 |
| City by Football Clubs | 0 | - | 4.38 | 138,460 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,233 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,807 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,596 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,007 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,233 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,757 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,639 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,912 |
| Former Capitals | 0 | - | 4.88 | 71,708 |
| Europe Capital to Country | 0 | - | 4.99 | 252,364 |
| Asia Capital to Country | 0 | - | 4.96 | 127,638 |
| Capital Cities Chain | 0 | - | 4.84 | 83,464 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,149 |
| European Capitals by Map | 0 | - | 4.99 | 142,354 |
| African Capitals by Map | 0 | - | 4.99 | 142,436 |
| Coldest World Capitals | 0 | - | 4.95 | 134,207 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,052 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,020 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,293 |
| European Coastal Capitals | 0 | - | 4.95 | 91,428 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,240 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,039 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,031 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,211 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,218 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,655 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,765 |
| Ancient City to Country | 0 | - | 4.72 | 108,381 |
| Official Cities in the UK | 0 | - | 4.89 | 286,601 |
| City-States | 0 | - | 4.53 | 37,428 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,524 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,841 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,422 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,287 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,196 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,339 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,599 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,887 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,289 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,163 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,343 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,509 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,311 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,670 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,231 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,742 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,452 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,889 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,418 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,174 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,746 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,607 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,634 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,508 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,014 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,975 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,826 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,635 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 228,027 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,316 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,771 |
| The Only Country ... | 0 | - | 4.91 | 81,976 |
| Capitals of the Stans | 0 | - | 4.95 | 27,200 |
| FIFA World Cup Final Host Cities | 0 | - | 4.68 | 29,481 |
| Boundary Waters | 0 | - | 4.92 | 88,810 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,435 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,773 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,452 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,022 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,032 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,590 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,636 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,219 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,206 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,606 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,044 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,591 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,152 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,263 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,734 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,366 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,931 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,810 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,464 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,960 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,630 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,496 |
| Cities by Airports | 0 | - | 4.48 | 104,115 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,458 |
| Cities Chain #2 | 0 | - | 4.42 | 56,534 |
| Cities Chain #1 | 0 | - | 4.61 | 66,845 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,903 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,374 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,187 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,278 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,343 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,290 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,495 |
| Capitals Starting With L | 0 | - | 4.81 | 96,005 |
| Capitals Starting With N | 0 | - | 4.80 | 51,959 |
| Capitals Starting With V | 0 | - | 4.80 | 38,697 |
| Capitals Starting With C | 0 | - | 4.78 | 99,094 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,932,546 |
| Landlocked Countries | 0 | - | 4.99 | 426,751 |
| Countries with Major League Baseball Players | 0 | - | 4.62 | 68,411 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,546 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 590,619 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,683 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,975 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,556 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,921 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,762 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,171 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,985 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,775 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,664 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,389 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,743 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,089 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,527 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,883 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,473 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 31,054 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,136 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,826 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,136 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,164 |
| Random European Capital to Country | 0 | - | 4.98 | 192,267 |
| Random European Country to Capital | 0 | - | 4.93 | 166,004 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,056 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,522 |
| Random African Capital to Country | 0 | - | 4.97 | 101,421 |
| Random African Country to Capital | 0 | - | 4.95 | 71,831 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,598 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,442 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,808,954 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,964 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,470 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,084 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,124 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,141 |
| Tall Building Cities - United States | 0 | - | 4.48 | 68,511 |
| Cities with the Same Name | 0 | - | 3.94 | 36,732 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,847 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,442 |
| Musical Acts by City #2 | 0 | - | 4.02 | 11,013 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 77,979 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 60,394 |
| Word Puzzles - World Cities #1 | 0 | - | 4.50 | 51,298 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,564 |
